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<br />?:.:..:t <br /> <br />RESTORATION OF REGULATED RIVERS <br /> <br />395 <br /> <br />.....~ <br /> <br />" <br /> <br />High <br /> <br />'1"'~"""1 <br />l..' 'J ..... ,..., ~', ~~ <br /> <br />Channel Substratum Composition <br /> <br /> <br />SInd . sm <br /> <br />'..' ,? ... <br /> <br />Mj;~~::~~ <br /> <br />...,..... <br /> <br />...:,.... <br /> <br />'.....: <br /> <br />':.,.:. <br /> <br />.>..... <br /> <br />Low <br />High <br /> <br />....,'.: ~ . <br /> <br />";.1 <br /> <br />Water Temperature <br /> <br />",:,";'. <br /> <br /> <br /> <br />.',' <br /> <br />.... ,.. <br /> <br />,'.:'-'. <br /> <br />...~:'..,........\.. <br />. . . . .~.:: 't.:': :.= <br />,...'.... <br /> <br />"::/ <br /> <br />Moan <br /> <br /> <br />. .'.~. <br />, I~'" <br /> <br />Low <br />High <br /> <br />Minimum <br /> <br />Natlva Biodiversity <br /> <br /> <br />...:.i, <br /> <br />.;. ,-;,. <br /> <br />;::~~/.._<.'.-.<< <br />:~f~..;:;~:': :~:".",~~ <br />... f;...::.'. <br /> <br />~". . . ,,:, :::,:'., <br /> <br />Low <br />l-leadwal8r <br />S..am <br /> <br />HeBdwmer <br />Transition <br /> <br />Montane <br />Floodplain <br /> <br />Montane <br />TranalUon <br /> <br />Piedmont <br />Va/ley <br />Floodplain <br /> <br />Piedmont <br />Transition <br /> <br />COaIBl <br />AoodpIa/n <br /> <br />EIlull1y <br /> <br />.'. . - -... <br />~';.;~>::. ....:.: '.~~~~:' <br />;;~'::'::~~'../:;.? <br />... . <br /> <br />~.~~i.:~t<\:"j <br /> <br /> <br />. ~':... '_-::".;" <br /> <br />"",''':;'' <br /> <br />Figure 2. Conceptualized continuum of a large unregulated river showing biophysical gradients and nodes of environmental heteroge- <br />neity (centres of organization) of the major alluvial reaches. Vertical bars on the plot of maximum temperature represent the annual <br />range of annual maximum temperature across all habitats at any point in the river continuum. Numbers indicate stream order. The <br />figure is not drawn to scale; transition reaches are often much longer than inferred <br /> <br /> <br />...."1 <br /> <br /> <br />.;.:.:." <br /> <br />